KR101525991B1

KR101525991B1 - Scanning method, scanner system, and scanner based on 3 dimensional video

Info

Publication number: KR101525991B1
Application number: KR1020130168393A
Authority: KR
Inventors: 한연수; 최원선; 최동근; 우연수; 김중근; 윤현복
Original assignee: 주식회사 이레테크
Priority date: 2013-12-31
Filing date: 2013-12-31
Publication date: 2015-06-10

Abstract

The present invention relates to a scanner comprising: at least two cameras for photographing a scanning object placed on a cradle and outputting image data, and a probe for receiving a signal generated in the scanning object while moving on the scanning object; A signal analyzer for performing signal analysis processing on the basis of a signal output from the scanner and outputting signal analysis data; And a controller for calculating and outputting a three-dimensional signal generation distribution on the scanning object, based on the three-dimensional image data generated from the image data output from each of the two or more cameras and the signal analysis data output from the signal analyzer, Based scanner system.

Description

TECHNICAL FIELD [0001] The present invention relates to a three-dimensional image-based scanning method, a scanner and a scanner system,

The present invention relates to a three-dimensional image-based scanning method, a scanner and a scanner system.

In electronic parts, printed circuit boards (PCBs), and electronic devices, signals such as electromagnetic waves are generated by various factors. Such signals may be harmful to people or cause problems in peripheral circuits.

Therefore, it is possible to precisely grasp the signals such as electromagnetic waves generated in the electronic parts, the printed circuit board, the electronic device, etc., and change the design, change the parts, or change the structure of the mechanism based on the result.

Further, it is also possible to test electromagnetic compatibility with respect to electronic devices, electronic parts, and the like based on the results of accurately grasping how signals such as electromagnetic waves are generated in electronic components, printed circuit boards, electronic devices, and the like.

However, conventionally, since the method of measuring how much the signals such as electromagnetic waves are generated totally in electronic parts, printed circuit boards, electronic devices, etc., And the like can not be accurately grasped.

SUMMARY OF THE INVENTION In view of the foregoing, it is an object of the present invention to provide a three-dimensional image-based image processing apparatus and method capable of precisely grasping the position of a signal of an electromagnetic wave, A scanner, and a scanner system.

In order to achieve the above object, in one aspect, the present invention provides an imaging apparatus including at least two cameras for photographing a scanning object placed on a cradle and outputting image data, A scanner including a receiving probe; A signal analyzer for performing a signal analysis process based on a signal output from the scanner and outputting signal analysis data; And a controller for calculating and outputting the three-dimensional signal generation distribution on the scanning target object based on the three-dimensional image data generated from the image data output from each of the two or more cameras and the signal analysis data output from the signal analyzer A three-dimensional image-based scanner system is provided.

(X, y) corresponding to a three-dimensional coordinate value including a z-axis coordinate value corresponding to the (x, y) coordinate value on the scanning target object and the height information of the scanning target object, (x, y, z) corresponding to the three-dimensional coordinate value, acquiring signal intensity information for each (x, y) coordinate value on the scanning object based on the signal analysis data, ) Coordinate value and the signal intensity information by the (x, y) coordinate value, the three-dimensional signal generation distribution on the scanning target object can be calculated.

Wherein the controller generates a three-dimensional image of the scanning target object based on the (x, y, z) coordinate values corresponding to the three-dimensional coordinate values, Dimensional signal generation distribution on the scanning target object by superposing a three-dimensional image of the signal generated by the scanning target and a three-dimensional image of the scanning target object with a three-dimensional image of a signal generated from the scanning target object, As shown in Fig.

And a position control device for outputting control information for controlling the movement coordinates of the probe moving on the scanner object.

The scanner may further include a signal amplifier for amplifying and outputting a signal received by the probe.

The scanning object may be a printed circuit board on which electronic components are mounted.

According to another aspect of the present invention, there is provided an image processing apparatus comprising: at least two cameras for photographing the scanning object and outputting image data; And a probe for receiving and outputting a signal generated on the scanning target while moving on the scanning target.

According to another aspect of the present invention, there is provided an image processing method comprising the steps of: photographing a scanning object using two or more cameras; Controlling a movement of the probe on the scanning object to measure a signal generated in the scanning object through the probe; And a step of calculating and outputting a three-dimensional signal generation distribution on the scanning target object based on the three-dimensional image data created from the image data photographed by each of the two or more cameras and the signal measured through the probe, Based scanning method.

As described above, according to the present invention, it is possible to precisely grasp the position of a signal such as an electromagnetic wave, the degree to which a signal occurs in which part, and what pattern occurs in an electronic component, a printed circuit board, A scanning method, a scanner and a scanner system of the present invention.

This makes it possible to more accurately design a scanning object such as an electronic component, a printed circuit board, or an electronic device.

In addition, it is possible to make only a partial change when a design is changed for a scanning object such as an electronic part, a printed circuit board, or an electronic device.

Further, the electromagnetic compatibility test for the scanning object such as an electronic component, a printed circuit board, or an electronic device can be further precisely performed.

FIG. 1 is a schematic view of a three-dimensional image-based scanner system according to an exemplary embodiment of the present invention. Referring to FIG.
FIG. 2 is a diagram for explaining acquisition of a three-dimensional coordinate value of a scanning object using three-dimensional image data in a three-dimensional image-based scanner system according to an embodiment of the present invention.
3 is a diagram for explaining probing of a signal generated in a scanning object using a probe in a three-dimensional image-based scanner system according to an embodiment of the present invention.
4 is a diagram illustrating horizontal movement control for a probe in a three-dimensional image-based scanner system according to an embodiment of the present invention.
FIG. 5 is a diagram illustrating horizontal and vertical movement control for a probe in a three-dimensional image-based scanner system according to an exemplary embodiment of the present invention.
FIG. 6 is a diagram illustrating a three-dimensional image generation distribution on a scanning object by superimposing a three-dimensional image of a scanning object and a three-dimensional image of a signal generated in the scanning object in a three-dimensional image-based scanner system according to an embodiment of the present invention. And outputting the calculation result.
7 is a flowchart illustrating a three-dimensional image-based scanning method according to an exemplary embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. In the drawings, like reference numerals are used to denote like elements throughout the drawings, even if they are shown on different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the components from other components, and the terms do not limit the nature, order, order, or number of the components. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; intervening "or that each component may be" connected, "" coupled, "or " connected" through other components.

1 is a diagram schematically illustrating a three-dimensional image-based scanner system 100 according to an embodiment of the present invention.

Referring to FIG. 1, a three-dimensional image-based scanner system 100 according to an embodiment of the present invention includes a three-dimensional image of a scanning object 10 and a distribution of a signal obtained by probing the scanning object 10 A signal analyzer 120, a controller 130, and the like, which are based on a three-dimensional image.

The three-dimensional image-based scanner 110 includes two or more cameras 111 for photographing a scanning target object 10 mounted on a cradle 115 and a plurality of cameras 111 for probing the scanning target object 10 mounted on the cradle 115. [ (Probe) 112, and the like. The signal analyzer 120 performs a signal analysis process on the basis of the signals output from the probes 112 in the three-dimensional image-based scanner 110 to output signal analysis data. The controller 130 generates a three-dimensional signal on the scanning target object 10 based on the three-dimensional image data generated from the image data output from each of the two or more cameras 111 and the signal analysis data output from the signal analyzer 120, And outputs the distribution.

The scanner 110 includes two or more cameras 111 and a probe 112. More specifically, the scanner 110 includes a body part and a scanning unit 110 located at the upper end of the body part, A camera attaching portion to which the camera 111 is attached, and a probe attaching portion to which the probe 112 is attached, the probe attaching portion being connected at the body portion. Here, the probe mounting portion may include a structure such as a motor and a belt for controlling movement of the probe 112. [

The camera 111 included in the three-dimensional image-based scanner 110 photographs the scanning object 10 placed on the cradle 115 and outputs the image data through a camera control communication line.

The probe 112 included in the three-dimensional image-based scanner 110 performs the probing operation by receiving a signal generated from the scanning object 10 while moving on the scanning object 10. [

The controller 130 described above calculates the coordinate values of the (x, y) coordinates on the scanning target object 10 and the height of the scanning target object 10 on the basis of the three-dimensional image data generated from the image data output from each of the two or more cameras 111 (X, y, z) coordinate value corresponding to the three-dimensional coordinate value including the z-axis coordinate value corresponding to the information is obtained.

The controller 130 described above acquires signal intensity information for each (x, y) coordinate value on the scanning object 10, based on signal analysis data on the signal received by the probe 112. [

The controller 130 described above is based on the (x, y, z) coordinate value corresponding to the three-dimensional coordinate value for the scanning object 10 and the signal intensity information for the (x, y) coordinate value on the scanning object 10 Dimensional signal generation distribution on the scanning target object 10 can be calculated.

The controller 130 described above generates a three-dimensional image of the scanning object 10 based on coordinate values (x, y, z) corresponding to the three-dimensional coordinate values of the scanning target object 10, Dimensional image of the signal generated in the scanning object 10 based on the signal intensity information for each (x, y)

Thereafter, the controller 130 superimposes the three-dimensional image of the scanning target 10 with the three-dimensional image of the signal generated by the scanning target 10 to obtain a three-dimensional signal generation distribution on the scanning target 10 Output.

The three-dimensional image of the above-described scanning object 10 is an image in which coordinate values of (x, y, z) corresponding to the three-dimensional coordinate value of the scanning object 10 are sequentially displayed. ) Coordinate value of the scanning target object 10.

With respect to the three-dimensional image of the signal generated by the scanning object 10, the (x, y) coordinate value on the scanning object 10 is used as the signal generation position, and the signal intensity information for each signal generation position is represented by z value dimensional image of the signal generated in the scanning object 10 can be obtained by obtaining the (x, y, z) coordinate values and obtaining the (x, y, z) coordinate values thus obtained.

Meanwhile, the probe 112 moves on the scanning object 10 to probe a signal generated from the scanning object 10, and it is necessary to control the movement of the probe 112.

Accordingly, the scanner 110 included in the three-dimensional image-based scanner system 100 according to an embodiment of the present invention can scan the probe 112 on the scanning object 10 in accordance with the control information of the input moving coordinates And a probe control unit 113 for controlling movement of the probe.

The probe control unit 113 may control the probe 112 to move in the horizontal direction on the scanning object 10 according to the control information of the inputted horizontal movement coordinates.

In addition, the probe control unit 113 can control the probe 112 to move in the vertical direction on the scanning target object 10 according to the control information of the inputted vertical movement coordinates.

The probe control unit 113 may include mechanical structures such as a motor, a belt, and the like for moving the probes 112 according to the control information.

A three-dimensional image-based scanner system 100 according to an embodiment of the present invention includes a probe (not shown) moving on a scanner target body 10 in association with movement control of the probe unit 113 with respect to the probe 112 And a position control device 140 for outputting control information for controlling the movement coordinates of the display device 112. [

The position control device 140 may output control information for controlling the horizontal movement coordinates of the probe 112 moving on the scanner target body 10 to the scanner 110. Accordingly, the probe 112 can move in the horizontal direction on the scanning object 10 in order to probe a signal generated in the scanning object 10. [

The position control device 140 may further output control information for controlling the vertical movement coordinates of the probe 112 moving on the scanner object 10. The probe 112 thus detects the position of the scanning target object 10, It is possible to move in the vertical direction on the scanning object 10 in order to probe a signal generated in the scanning object 10.

The position control device 140 determines the vertical movement coordinates of the probe 112 based on the distance sensing information or the collision sensing information between the probe 112 and the scanner target body 10 in relation to the vertical movement of the probe 112 It is possible to generate and output control information to be controlled.

For example, the distance sensing information or the collision sensing information between the probe 112 and the scanner object 10 is sensed by a sensor such as a distance sensor or a collision sensor built in the probe 112, and is transmitted to the position control device 140 Lt; / RTI >

The position control device 140 finds the height information of the scanning object 10 based on the three-dimensional image data created from the image data photographed by two or more cameras 111 included in the scanner 110, Accordingly, control information for controlling the vertical movement coordinates of the probe 112 can be generated and output.

Meanwhile, the probe 112 included in the scanner 1110 performs probing with respect to the scanning object 10, thereby being generated in the scanning object 10 and receiving the signal. At this time, The signal analyzer 120 may not be suitable for signal analysis.

Accordingly, the scanner 110 may further include a signal amplifier 114 for amplifying and outputting a signal received by the probe 112. [

Meanwhile, the scanning target 10 described in the present specification may be, for example, a printed circuit board (PCB) or an electronic device on which electronic parts are mounted, and in addition, any device Lt; / RTI >

In the following, the three-dimensional image-based scanner system 100 and its constitutions described above and the three-dimensional signal generation distribution for the signals generated in the scanning object 10 are calculated. Figs. 2 and 6 For example, with reference to FIG.

FIG. 2 is a diagram for explaining acquisition of a three-dimensional coordinate value for a scanning object using three-dimensional image data in a three-dimensional image-based scanner system 100 according to an embodiment of the present invention.

A large number of parts are mounted on the scanning object 10 such as a PCB, and the height of each part may be different. Accordingly, in order to accurately scan the scanning object 10 such as the PCB, it is necessary to grasp the height of the scanning target object 10 accurately.

Accordingly, the three-dimensional image-based scanner system 100 according to an exemplary embodiment of the present invention generates three-dimensional image data using two or more cameras 111. [

In this regard, referring to FIG. 2, in a case where the scanner object 10 is scanned through image data photographed by two or more cameras 111 included in a three-dimensional image-based scanner system 100 according to an embodiment of the present invention, Three-dimensional position information including both the position in the horizontal direction and the position in the vertical direction can be obtained.

2, the (x, y) coordinate values corresponding to the three-dimensional coordinate values including the (x, y) coordinate values on the scanning object 10 and the z- y, z) coordinate values.

3 illustrates probing of a signal generated in a scanning object 10 such as a PCB using a probe 112 in a three-dimensional image-based scanner system 100 according to an embodiment of the present invention Fig.

Referring to FIG. 3, the signal intensity of the signal generated in the scanning object 10 may be different depending on the mounted part and the position. Therefore, the probe 112 receives the signal generated from the scanning object 10 while moving on the scanning object 10.

3, the position control device 140 generates a locus 300 of a position P (x, y) on the scanning target 10 and moves the probe 112 so that the locus 300 can be probed Can be controlled. To this end, the position control device 140 outputs control information for controlling the movement coordinates of the probe 112.

3, the probe 112 receives the signal Sp generated in the scanning target body 10 while moving according to the control information output to the position control device 140, and outputs the signal Sp to the signal analyzer 120 do.

FIG. 4 is a diagram illustrating horizontal movement control for the probe 112 in a three-dimensional image-based scanner system 100 according to an exemplary embodiment of the present invention.

Referring to FIG. 4, the position controller 140 and the scanner 110 may interlock with each other to control the movement coordinates of the probe 112 in the horizontal direction. Accordingly, the probe 112 performs a probing operation while moving along the horizontally moving trajectory 400 according to the movement coordinates in the horizontal direction.

4, when the position control device 140 controls only the movement coordinates of the probe 112 in the horizontal direction, the probe 112 is fixed at a predetermined height H from the bottom surface of the scanning target body 10, Direction along the horizontal movement trajectory 400 only in the horizontal direction.

Here, the horizontally moving trajectory 400 is a line connecting P (x, y, H) coordinate values (H = constant). The fixed height H at which the probe 112 is located from the bottom surface of the scanning target 10 may be a setting value.

FIG. 5 is a diagram illustrating horizontal and vertical movement control of the probe 112 in a three-dimensional image-based scanner system 100 according to an exemplary embodiment of the present invention.

Referring to FIG. 5, the position controller 140 and the scanner 110 may interlock with each other to control both the horizontal and vertical movement coordinates of the probe 112. Thus, the probe 112 performs a probing operation while moving along the horizontal and vertical movement locus 500 including both the horizontal component and the vertical component.

5, when the position control device 140 controls both the horizontal and vertical movements of the probes 112, the probes 112 are positioned at a height h away from the bottom surface of the scanning target 10, Is moved in the horizontal direction while being changed. That is, the probe 112 moves along the horizontal and vertical movement locus 500 including both the horizontal movement component and the vertical movement component.

Here, the horizontal and vertical direction movement traces 500 are lines connecting P (x, y, h) coordinate values (h = variable). The height h of the probe 112 away from the bottom surface of the scanning target body 10 may vary depending on the height of the parts mounted on the scanning target body 10.

For example, the height h of the probe 112 away from the bottom surface of the scanning object 10 may be changed according to the distance sensing information or the collision sensing information between the probe 112 and the scanner object 10.

The height h of the probe 112 away from the bottom surface of the scanning object 10 is calculated based on the three-dimensional image data created from the image data photographed by two or more cameras 111 included in the scanner 110 And can be changed according to the height information of the scanning target body 10.

FIG. 6 is a block diagram of a three-dimensional image-based scanner system 100 according to an exemplary embodiment of the present invention. In FIG. 6, a three-dimensional image 619 of a scanning object 10 and a three- Dimensional signal generation distribution on the scanning target object 10 by superimposing the three-dimensional signal generation distribution 620 on the scanning target object 10 and outputting the calculation result 600 of the three-dimensional signal generation distribution on the scanning target object 10. [

6, on the basis of the three-dimensional image data generated from the image data output from each of the two or more cameras 111 through the vision engine included in the controller 130, (X, y, z) coordinate values corresponding to the three-dimensional coordinate values including the (x, y) coordinate values on the coordinate system 10 and the z-axis coordinate values corresponding to the height information of the scanning object 10, Dimensional image 610 for the scanning object 10 can be generated based on the (x, y, z) coordinate values thus obtained.

Referring to FIG. 6, the controller 130 reads the (x, y) data on the scanning target object 10 based on the signal analysis data on the signal received from the probe 112 via the vision engine included therein. (x, y, z) coordinate values (x, y, z) of signals generated in the scanning object 10 are obtained by obtaining the signal intensity information for each coordinate value Dimensional image 620 with respect to a signal generated in the scanning object 10, based on the (x, y, z) coordinate values thus obtained.

6, the controller 130 controls the three-dimensional image 610 of the scanning object 10 and the signal generated in the scanning object 10 through the vision engine included therein It is possible to generate and output the calculation result 600 of the three-dimensional signal generation distribution on the scanning target body 10 by superimposing the three-dimensional image 620. [

In the foregoing, a three-dimensional image-based scanner system 100 according to an embodiment of the present invention, the components included therein, and a three-dimensional image-based scanning method have been described.

Hereinafter, a three-dimensional image-based scanning method of the three-dimensional image-based scanner system 100 according to an embodiment of the present invention will be described briefly.

7 is a flowchart illustrating a three-dimensional image-based scanning method according to an exemplary embodiment of the present invention.

Referring to FIG. 7, a three-dimensional image-based scanning method according to an embodiment of the present invention includes a step S710 of photographing a scanning target 10 using two or more cameras 111, A step S720 of controlling the movement of the probe 112 on the probe 112 to measure a signal generated from the scanning object 10 through the probe 112, Dimensional signal generation distribution on the scanning object 10 based on the 3D image data and the signal measured through the probe 112 (S730), and the like.

In this specification, the scanning object 10 may be a PCB on which electronic components are mounted, various electronic devices, and the like. A signal generated in the scanning object 10 may be an electronic file generated in the scanning object 10, And a noise component that should not be generated in the light source 10.

The calculation result 600 of the three-dimensional signal generation distribution on the scanning object 10 obtained according to the three-dimensional image-based scanning method of the three-dimensional image-based scanner system 100 according to the embodiment of the present invention, The present invention can be used for designing PCBs or various electronic devices mounted thereon.

As described above, according to the present invention, it is possible to detect the position, the degree to which a signal such as an electromagnetic wave is generated in a scanning object 10 such as an electronic component, a printed circuit board, and an electronic device, Dimensional image based scanning method, a scanner 110 and a scanner system 100 that can accurately grasp a three-dimensional image.

This makes it possible to more accurately design the scanning object 10 such as an electronic component, a printed circuit board, or an electronic device.

Further, it is possible to make only a partial change when the design of the scanning object 10 such as an electronic component, a printed circuit board, or an electronic device is changed.

In addition, the electromagnetic compatibility test for the scanning object 10 such as an electronic component, a printed circuit board, and an electronic device can be further precisely performed.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. , Separation, substitution, and alteration of the invention will be apparent to those skilled in the art. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: 3D image based scanner system
110: 3D image based scanner
111: Two or more cameras
112: probe
113:
114: Signal amplifier
115: Cradle
120: Signal Analyzer
130: controller

Claims

A scanner including at least two cameras for photographing a scanning object placed on a mount and outputting image data, and a probe for receiving a signal generated on the scanning object while moving on the scanning object;
A signal analyzer for performing a signal analysis process based on a signal output from the scanner and outputting signal analysis data; And
And a controller for calculating and outputting a three-dimensional signal generation distribution on the scanning target object based on the three-dimensional image data generated from the image data output from each of the two or more cameras and the signal analysis data output from the signal analyzer,
Further comprising a position control device for outputting control information for controlling horizontal movement coordinates and vertical movement coordinates of the probe moving on the scanning target body,
The position control device includes:
Control information for controlling the vertical movement coordinates of the probe is generated based on the distance sensing information between the probe and the scanning object detected by using the distance sensor or the height information of the scanning object detected from the 3D image data Dimensional image based scanner system.

The method according to claim 1,
The controller comprising:
(X, y, z) corresponding to a three-dimensional coordinate value including a (x, y) coordinate value on the scanning target object and a z-axis coordinate value corresponding to the height information of the scanning target object, Obtaining a coordinate value,
Acquiring signal intensity information for each (x, y) coordinate value on the scanning object based on the signal analysis data,
Dimensional signal generation distribution on the scanning target object is calculated based on the (x, y, z) coordinate value corresponding to the three-dimensional coordinate value and the signal intensity information for the (x, y) coordinate value. Three - Dimensional Image Based Scanner System.

3. The method of claim 2,
The controller comprising:
(X, y, z) coordinate values corresponding to the three-dimensional coordinate value, generating a three-dimensional image of the scanning target object based on the (x, y, z) coordinate values corresponding to the three- Generating a three-dimensional image of the signal,
Dimensional image based on the scanning object and the three-dimensional image of the signal generated by the scanning object, and outputs the result as a calculation result of the three-dimensional signal generation distribution on the scanning target object.

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The method according to claim 1,
The scanner includes:
And a signal amplifier for amplifying and outputting a signal received by the probe.

The method according to claim 1,
Wherein,
And a printed circuit board on which electronic parts are mounted.

At least two cameras for photographing a scanning object and outputting image data;
A probe for receiving and outputting a signal generated on the scanning target while moving on the scanning target; And
And a probe control unit for controlling movement of the probe on the scanning object according to control information of a horizontal movement coordinate and a vertical movement coordinate,
The probe control unit includes:
The vertical movement of the probe is detected based on the distance sensing information between the probe and the scanning object detected by using the distance sensor or the control information of the vertical movement coordinates generated based on the height information of the scanning object detected from the three- Dimensional image based scanner.

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8. The method of claim 7,
And a signal amplifier for amplifying and outputting a signal output to the probe.

Capturing a scanning object using two or more cameras;
Controlling a movement of the probe on the scanning object to measure a signal generated in the scanning object through the probe; And
Calculating and outputting a three-dimensional signal generation distribution on the scanning target object based on the three-dimensional image data generated from the image data photographed by each of the two or more cameras and the signal measured through the probe,
In the measuring step, in the movement control of the probe,
And a control unit for controlling the vertical movement of the probe according to the vertical movement coordinate information generated based on the distance sensing information between the probe and the scanning object detected by using the distance sensor or the height information of the scanning object detected from the three- And the movement of the three-dimensional image is controlled.